John Thomas Dugan, MD
Gastroenterology Physician · Houston, TX
John Thomas Dugan, MD is a gastroenterology physician with a practice address in Houston, Texas, and NPI 1154677755, issued on Aug 1, 2012. Check the license (Texas Q7550, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Thomas Dugan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- Q7550 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1213 Hermann Dr Ste 278, Houston, TX 77004
- Phone
- (832) 707-5011
- Enumerated
- Aug 1, 2012
- Record last updated
- Feb 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20160701000102); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,478 in Texas → Look up another NPI →
Also registered at 1213 Hermann Dr Ste 278
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ryan Barrientos, MDGastroenterology Physician1982975405
- Daniel Burkholder, MDGastroenterology Physician1871153981
Verify John Thomas Dugan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q7550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average gastroenterology physician in 2024
1,367 Medicare Part D claims for 469 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Omeprazole737 claims
- Famotidine112 claims
- Sod Sulf-Potass Sulf-Mag Sulf102 claims
- Esomeprazole Magnesium60 claims
- Pantoprazole Sodium50 claims
- Colesevelam Hcl35 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,039.70
58 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Houston Regional Gastroenterology Institute PLLCHouston, TX
- Medical Clinic OF Houston, LLPHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Thomas Dugan among 1,478 gastroenterology physician records in Texas
John Thomas Dugan, MD is one of 1,478 gastroenterology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.
- NPI issued2012 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2010 · median 2003 among the 1,175 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Texas
There are 1,478 gastroenterology physician records in Texas.
All 1,478 in Texas → Every provider in Houston → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ryan Barrientos, MDHouston, TX 770041982975405
- Daniel Burkholder, MDHouston, TX 770041871153981
- John Clemmons, M.D.Houston, TX 770041518997477
- Ronald Colman, M.D.Houston, TX 770041871579417
- Dean Solcher, M.D.Houston, TX 770041013993633
- Jordan Worth, M.D.Houston, TX 770041598769879
- Aparna Kulkarni, MDHouston, TX 770051912996679
- Jordan Shapiro, MDHouston, TX 770051073839239
Common questions
What is John Thomas Dugan, MD's NPI number?
John Thomas Dugan, MD's National Provider Identifier (NPI) is 1154677755, issued on Aug 1, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Thomas Dugan, MD located?
The NPPES record lists a practice address at 1213 Hermann Dr Ste 278, Houston, TX, 77004. Phone: (832) 707-5011. Providers update this record themselves, so call before visiting.
How can I verify John Thomas Dugan, MD's license?
NPPES lists Texas license number Q7550, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Thomas Dugan, MD prescribe under Medicare Part D?
In 2024, John Thomas Dugan, MD had 1,367 Medicare Part D claims for 469 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John Thomas Dugan, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.